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ROT13 & Caesar Cipher Encoder/Decoder: free online guide
Encode and decode text using the ROT13 substitution cipher and Caesar shift cipher with configurable rotation shift from 1 to 25. Free on ToolSphare. No
CSS Gradient Text Generator: free online guide
Create eye-catching CSS gradient text with linear and radial color stops, angle controls, and cross-browser background clip CSS. Free on ToolSphare. No
Punycode & IDN Domain Converter: free online guide
Convert internationalized domain names (IDN) between Unicode characters and ASCII Punycode (xn--) strings per RFC 3492. Free on ToolSphare. No sign-up
Base58 & Base58Check Encoder/Decoder: free online guide
Encode and decode Bitcoin, IPFS, and Solana Base58 and Base58Check strings without ambiguous 0OIl characters in real time. Free on ToolSphare. No sign-up
Nginx Server Config Generator: free online guide
Generate production-ready Nginx server configurations with reverse proxy, SSL/TLS, PHP-FPM, security headers, and gzip compression. Free on ToolSphare. No
TOML to JSON & YAML Converter: free online guide
Parse and convert TOML configuration files into beautifully formatted JSON or YAML documents with live syntax validation. Free on ToolSphare. No sign-up
TCP/UDP Port Lookup & Service Inspector: free online guide
Search and inspect common TCP and UDP network ports, assigned services, transport protocols, and associated security considerations. Free on ToolSphare
TSV to JSON & CSV Converter: free online guide
Convert Tab-Separated Values (TSV) into formatted JSON arrays, objects, or CSV files with real-time column type inference. Free on ToolSphare. No sign-up
RSA Key Pair Generator (2048/4096-bit): free online guide
Generate secure 2048-bit and 4096-bit RSA public and private key pairs in standard PKCS#8 and SPKI PEM formats directly in your browser. Free on today.
URL Parser & Query String Deconstructor: free online guide
Deconstruct, analyze, and manipulate any URL into its protocol, host, port, path, query string parameters, and hash with live editing. Free on ToolSphare
CSS Filter & Image Effects Generator: free online guide
Visually create CSS image filter effects including blur, brightness, contrast, grayscale, hue-rotate, invert, and sepia with live preview. Free on
CSS Cursor Tester & Style Generator: free online guide
Test and preview all CSS cursor property values interactively and generate custom cursor CSS rules with fallback options. Free on ToolSphare. No sign-up
Base64URL Safe Encoder / Decoder: free online guide
Encode and decode Base64URL strings with URL-safe characters (- and _) and optional padding stripping for JWT and web tokens. Free on ToolSphare. No
JSON Minifier & Whitespace Compressor: free online guide
Minify and compress JSON data by stripping unnecessary whitespace, indents, and newlines to optimize payload size and network bandwidth. Free on today.
Docker Run to Compose Converter: free online guide
Convert docker run CLI commands into clean, multi-service docker-compose.yml files with volumes, ports, environment variables, and restart policies. Free
Hex to ASCII & ASCII to Hex Converter: free online guide
Convert hexadecimal strings to readable ASCII text and plain text to hex with custom delimiters, UTF-8 multibyte support, and interactive byte inspector
YAML Validator & Linter: free online guide
Validate and lint YAML syntax in real time with line-by-line error indicators, structure formatting, and bi-directional YAML-to-JSON conversion. Free on
MIME Type Lookup & Media Directory: free online guide
Search over 1,000+ MIME types, media content-types, file extensions, and HTTP headers with category filters and instant one-click copy. Free on today.
